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  1. /* USER CODE BEGIN Header */
  2. /**
  3.  ******************************************************************************
  4.  * @file           : main.c
  5.  * @brief          : Main program body
  6.  ******************************************************************************
  7.  * @attention
  8.  *
  9.  * Copyright (c) 2022 STMicroelectronics.
  10.  * All rights reserved.
  11.  *
  12.  * This software is licensed under terms that can be found in the LICENSE file
  13.  * in the root directory of this software component.
  14.  * If no LICENSE file comes with this software, it is provided AS-IS.
  15.  *
  16.  ******************************************************************************
  17.  */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"
  21.  
  22. /* Private includes ----------------------------------------------------------*/
  23. /* USER CODE BEGIN Includes */
  24. #include "display.h"
  25. /* USER CODE END Includes */
  26.  
  27. /* Private typedef -----------------------------------------------------------*/
  28. /* USER CODE BEGIN PTD */
  29.  
  30. /* USER CODE END PTD */
  31.  
  32. /* Private define ------------------------------------------------------------*/
  33. /* USER CODE BEGIN PD */
  34. /* USER CODE END PD */
  35.  
  36. /* Private macro -------------------------------------------------------------*/
  37. /* USER CODE BEGIN PM */
  38.  
  39. /* USER CODE END PM */
  40.  
  41. /* Private variables ---------------------------------------------------------*/
  42.  SPI_HandleTypeDef hspi1;
  43.  
  44. /* USER CODE BEGIN PV */
  45.  
  46. /* USER CODE END PV */
  47.  
  48. /* Private function prototypes -----------------------------------------------*/
  49. void SystemClock_Config(void);
  50. static void MX_GPIO_Init(void);
  51. static void MX_SPI1_Init(void);
  52. /* USER CODE BEGIN PFP */
  53.  
  54. /* USER CODE END PFP */
  55.  
  56. /* Private user code ---------------------------------------------------------*/
  57. /* USER CODE BEGIN 0 */
  58.  
  59. /* USER CODE END 0 */
  60.  
  61. /**
  62.   * @brief  The application entry point.
  63.   * @retval int
  64.   */
  65. int main(void)
  66. {
  67.   /* USER CODE BEGIN 1 */
  68.  
  69.   /* USER CODE END 1 */
  70.  
  71.   /* MCU Configuration--------------------------------------------------------*/
  72.  
  73.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  74.   HAL_Init();
  75.  
  76.   /* USER CODE BEGIN Init */
  77.  
  78.   /* USER CODE END Init */
  79.  
  80.   /* Configure the system clock */
  81.   SystemClock_Config();
  82.  
  83.   /* USER CODE BEGIN SysInit */
  84.  
  85.   /* USER CODE END SysInit */
  86.  
  87.   /* Initialize all configured peripherals */
  88.   MX_GPIO_Init();
  89.   MX_SPI1_Init();
  90.   /* USER CODE BEGIN 2 */
  91.   cc_init();
  92.   /* USER CODE END 2 */
  93.  
  94.   /* Infinite loop */
  95.   /* USER CODE BEGIN WHILE */
  96.   while (1)
  97.   {
  98.     cc_display(0);
  99.     /* USER CODE END WHILE */
  100.  
  101.     /* USER CODE BEGIN 3 */
  102.  
  103.   }
  104.   /* USER CODE END 3 */
  105. }
  106.  
  107. /**
  108.   * @brief System Clock Configuration
  109.   * @retval None
  110.   */
  111. void SystemClock_Config(void)
  112. {
  113.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  114.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  115.  
  116.   /** Initializes the RCC Oscillators according to the specified parameters
  117.   * in the RCC_OscInitTypeDef structure.
  118.   */
  119.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  120.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  121.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  122.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  123.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  124.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  125.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  126.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  127.   {
  128.     Error_Handler();
  129.   }
  130.  
  131.   /** Initializes the CPU, AHB and APB buses clocks
  132.   */
  133.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  134.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  135.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  136.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  137.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  138.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  139.  
  140.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  141.   {
  142.     Error_Handler();
  143.   }
  144. }
  145.  
  146. /**
  147.   * @brief SPI1 Initialization Function
  148.   * @param None
  149.   * @retval None
  150.   */
  151. static void MX_SPI1_Init(void)
  152. {
  153.  
  154.   /* USER CODE BEGIN SPI1_Init 0 */
  155.  
  156.   /* USER CODE END SPI1_Init 0 */
  157.  
  158.   /* USER CODE BEGIN SPI1_Init 1 */
  159.  
  160.   /* USER CODE END SPI1_Init 1 */
  161.   /* SPI1 parameter configuration*/
  162.   hspi1.Instance = SPI1;
  163.   hspi1.Init.Mode = SPI_MODE_MASTER;
  164.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  165.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  166.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  167.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  168.   hspi1.Init.NSS = SPI_NSS_SOFT;
  169.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  170.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  171.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  172.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  173.   hspi1.Init.CRCPolynomial = 10;
  174.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  175.   {
  176.     Error_Handler();
  177.   }
  178.   /* USER CODE BEGIN SPI1_Init 2 */
  179.  
  180.   /* USER CODE END SPI1_Init 2 */
  181.  
  182. }
  183.  
  184. /**
  185.   * @brief GPIO Initialization Function
  186.   * @param None
  187.   * @retval None
  188.   */
  189. static void MX_GPIO_Init(void)
  190. {
  191.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  192.  
  193.   /* GPIO Ports Clock Enable */
  194.   __HAL_RCC_GPIOD_CLK_ENABLE();
  195.   __HAL_RCC_GPIOA_CLK_ENABLE();
  196.   __HAL_RCC_GPIOB_CLK_ENABLE();
  197.  
  198.   /*Configure GPIO pin Output Level */
  199.   HAL_GPIO_WritePin(GPIOA, SPI_NSS1_Pin|SPI_RESET_Pin, GPIO_PIN_RESET);
  200.  
  201.   /*Configure GPIO pin Output Level */
  202.   HAL_GPIO_WritePin(SPI_CD_GPIO_Port, SPI_CD_Pin, GPIO_PIN_RESET);
  203.  
  204.   /*Configure GPIO pins : SPI_NSS1_Pin SPI_RESET_Pin */
  205.   GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI_RESET_Pin;
  206.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  207.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  208.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  209.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  210.  
  211.   /*Configure GPIO pin : SPI_CD_Pin */
  212.   GPIO_InitStruct.Pin = SPI_CD_Pin;
  213.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  214.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  215.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  216.   HAL_GPIO_Init(SPI_CD_GPIO_Port, &GPIO_InitStruct);
  217.  
  218. }
  219.  
  220. /* USER CODE BEGIN 4 */
  221.  
  222. /* USER CODE END 4 */
  223.  
  224. /**
  225.   * @brief  This function is executed in case of error occurrence.
  226.   * @retval None
  227.   */
  228. void Error_Handler(void)
  229. {
  230.   /* USER CODE BEGIN Error_Handler_Debug */
  231.   /* User can add his own implementation to report the HAL error return state */
  232.   __disable_irq();
  233.   while (1)
  234.   {
  235.   }
  236.   /* USER CODE END Error_Handler_Debug */
  237. }
  238.  
  239. #ifdef  USE_FULL_ASSERT
  240. /**
  241.   * @brief  Reports the name of the source file and the source line number
  242.   *         where the assert_param error has occurred.
  243.   * @param  file: pointer to the source file name
  244.   * @param  line: assert_param error line source number
  245.   * @retval None
  246.   */
  247. void assert_failed(uint8_t *file, uint32_t line)
  248. {
  249.   /* USER CODE BEGIN 6 */
  250.   /* User can add his own implementation to report the file name and line number,
  251.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  252.   /* USER CODE END 6 */
  253. }
  254. #endif /* USE_FULL_ASSERT */
  255.